If excessive ice forms on the evaporator of a domestic freezer, which of the following is not a possible cause?

A. defective defrost timer
B. dirty or blocked condenser
C. defective defrost heater
D. blocked evaporator


Answer: B

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A) by passing the air over a refrigerated evaporator coil B) by spinning the air until water is removed by centrifugal force C) by absorbing it in a chemical desiccant D) by passing the air through an open gas flame

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When testing a MAP sensor that produces an analog voltage signal, the sensor signal is l.4 volts with 18 in. hg. applied to the sensor. When 13 in. hg. is supplied to the sensor, the sensor signal should be ________ volts?

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At what cylinder temperature will oil break down inside a compressor?

What will be an ideal response?

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